Can you give some measurements?
From back wall to center of drain,
From left wall to center of drain,
From right wall to center of drain,
Most toilets are 12" from the back wall to the center of the drain with aprox. 3/4" between the toilet and wall.
Toto Makes a 2-piece regular bowl toilet, the Dalton, CST733F that is 26.125" from front to back. Most regular bowl toilets are 26.5" long.